Search new + high quality used tires online. Size 235 55 ZR18 starting at: $34.99. Tires in stock: 87. Available brands: 16 with 21 models. All season: 82. Summer: 5.. Selling all used tires at discount costs. All used tires go through 2 layers of inspection on specialized equipment. One year warranty + free shipping on all inventory ;) Happy shopping!